• Country
• Japan

• Manufacturer / Brand
• Yamaha Co.; Hamamatsu

• Year
• 1975 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 270926

• • alternative name: Nippon Gakki

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 50 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Natural Sound Stereo Amplifier CA-410 - Yamaha Co.; Hamamatsu

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 435 x 137 x 340 mm / 17.1 x 5.4 x 13.4 inch

• Notes
• Power output: 25 watts per channel into 8 Ohms (stereo)
   
  Frequency response: 20Hz to 20kHz
   
  Total harmonic distortion: 0.05%
   
  Damping factor: 50
   
  Input sensitivity: 1.5mV (MM), 150mV (line)
   
  Signal to noise ratio: 77dB (MM), 100dB (line)
   
  Output: 150mV (line)
   
  Speaker load impedance: 4Ohm (minimum)

• Net weight (2.2 lb = 1 kg)
• 8.2 kg / 18 lb 1 oz (18.062 lb)

• Author
• Model page created by Bartosz Szwed. See "Data change" for further contributors.

• Other Models

• Here you find 769 models, 736 with images and 380 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Yamaha Co.; Hamamatsu